Class 12 Zoology simulations · Human Reproduction

Menstrual cycle: ovary, uterus and hormones

Move through a 28-day cycle and watch follicle growth, ovulation, the corpus luteum and the uterine lining.

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What to notice

Progesterone from the corpus luteum maintains the endometrium; if fertilisation does not occur it degenerates and menstruation follows.

Key relation

LH surge (≈ day 14) → ovulation

Try this

Move to day 14. Which hormone peaks?

What you can change

• Day of cycle: 1 to 28 day

More in Human Reproduction

• From zygote to implantation
• Spermatogenesis vs oogenesis

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